1 Department of Pediatrics, University Hospital Wuerzburg, Wuerzburg, Germany.
2 Department of Pathology, University of Würzburg, Wuerzburg, Germany.
3 Hopp Children's Cancer Center Heidelberg (KiTZ) and German Cancer Research Center (DKFZ) University Hospital Heidelberg, University Hospital Heidelberg Medical Clinic, Heidelberg, Germany.
4 Institute of Radiology, University Hospital Würzburg, Würzburg, Germany.
5 Department of Nuclear Medicine, University of Würzburg, Wuerzburg, Germany.
6 Pediatric, Klinikum der Universität Würzburg, Wurzburg, Germany.
7 Childrens Hospitals, University of Würzburg, 97080, Germany.
8 Department of pediatric hemato-oncology, University Clinic of Würzburg, Wuerzburg, Germany.
9 Pediatric Oncology and Hematology, University Children's Hospital Rostock, Rostock, Germany.